MacYack Pro was a commercial package of speech software
available from Scantron Quality Computers. It included 8 programs and 21 voices. MacYack Pro allowed you to take full advantage of Apple's PlainTalk Text-to-Speech synthesis software.

SpeakIt! allows you to speak the selected text in any program, shouting bold text and inflecting italic and underlined text. SpeakIt! can also assign different voices to different fonts. See and hear a demonstration!

SpeakAlert by Brian Stern

SpeakAlert speaks the text in Alerts and Notification boxes from most applications, giving you the freedom to use your Mac without being glued to the screen. See and hear a demonstration!

SpeakItRight by Brian Stern

SpeakItRight allows you to customize the pronounciation of all of the MacYack Pro programs. You can easily correct common mispronounciations and errors. See and hear a demonstration!

Talking Calculator Pro by Brian Stern

SoundMaker allows you to create "speech files" that speak using MacYack Pro. Speech files can include your own text and other special commands that read the current time, day, date, user name, computer type, and more. Drop a speech file into the System file to use as a talking alert sound or talking clock chime. See and hear a demonstration!